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Figure 3-2. jtag signal connections, Design considerations for in-circuit programming – Texas Instruments MSP-FET430 User Manual

Page 38

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Design Considerations for In-Circuit Programming

3-8

TDO/TDI

1

13

11

9

7

5

3

2

14

12

10

8

6

4

V

CC(FromTool)

GND

TCK

TMS

TDI

Test

V

CC(Local Sense)

RST/NMI

10uF

100nF

100K

TDO/TDI

RST/NMI

TCK

TMS

TDI

Test

MSP430

V

CC

/AV

CC

/DV

CC

**

V

SS

/AV

SS

/DV

SS

**

V

CC

Connect if target has it's own

'local' power source

Connect to power target from

FET or GANG430 if not using a

local power source

14 pos. header

(3M p/n 2514-6002)

(Digi-Key p/n MHB14K-ND)

20K

***

* Not present on all devices

*** Pulldown not required on all devices.

Check device datasheet pin description.

** Pins vary by device.

Note: Connection to XOUT is not required

No JTAG connection is required to the XOUT pin of the MSP430 as
shown on some schematics.

Figure 3-2. JTAG Signal Connections